A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes
A bridle for an ocean tow consists of ______.
A.two chains of equal length
B.a single nylon pendant rove through a heavy ring free to move on the pendant
C.two long legs of wire rope shackled to a fishplate
D.a single length of heavy chain with both ends secured on deck to welded pad eyes
相关考题:
According to the passage, which is true about the ocean?A. The waters of the ocean came from rain water.B. The ocean was formed from the, lighter rock materials.C. The vast single ocean formed about 200 million years ago.D. The ocean covered the whole surface of the earth at very beginning.
One advantage of chain over wire rope for a tow bridle is that chain ______.A.is better suited for inland towingB.resists damage from chafingC.handles more easilyD.equalizes towing forces better
An ocean towing bridle whose legs are of equal length,but too short,may ______.A.fail to provide spring in the hawserB.cause unequal distribution of the load to one legC.cause the bridle legs to jump clear of the chocks or fairleadsD.None of the above
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______.A.is more flexible and has the ability to absorb shock because of its weightB.is less subject to wear and damage from abrasionC.requires little maintenanceD.All of the above
With a large tow astern,there is immediate danger to the tug in the event of the ______.A.Tug losing powerB.Tow line partingC.Bridle twistingD.Tow broaching
The choice of length of tow bridle legs is governed by the ______.A.Expected towing forcesB.Capability of retrieving gearC.Freeboard of the unit being towedD.Need to reduce yaw
A tow astern is veering from side to side on its towline.The best way of controlling the action is to ______.A.Trim the tow by the bowB.Trim the tow by the sternC.List the tow to windwardD.Adjust the length of the towing bridle
Anchor shackles should have a breaking strength that is ______.A.equal to the chains they are connectingB.25% more than the chains they are connectingC.50% more than the chains they are connectingD.100% more than the chains they are connecting
A chain bridle is used when towing astern because it ______.A.is easy to connectB.provides an effective catenary and absorbs shock due to its weightC.makes rigging a swivel unnecessaryD.prevents the tow from yawing by the drag of the chains in a seaway
单选题One advantage of chain over wire rope for a tow bridle is that chain().Ais better suited for inland towingBresists damage from chafingChandles more easilyDequalizes towing forces better
单选题An ocean towing bridle should().Ahave equal legs of sufficient lengthBhave a large angle between the legsCbe formed on a bight of cable through a ringDnever be made up of chain
单选题The biggest problem you generally encounter while towing a single tow astern is().Athe catenary dragging on the bottomBswamping of the towCthe tow tending to diveDyaw
单选题The choice of length of tow bridle legs is governed by the().Aexpected towing forcesBcapability of retrieving gearCfreeboard of the unit being towedDneed to reduce yaw
单选题A bridle for an ocean tow consists of().Atwo chains of equal lengthBa single nylon pendant rove through a heavy ring free to move on the pendantCtwo long legs of wire rope shackled to a fishplateDa single length of heavy chain with both ends secured on deck to welded pad eyes
单选题On a long ocean tow,the bridle should be made up of two equal lengths of().AchainBwireCnylonDmanila
单选题An ocean towing bridle whose legs are of equal length,but too short,may().Afail to provide spring in the hawserBcause unequal distribution of the load to one legCcause the bridle legs to jump clear of the chocks or fairleadsDNone of the above
单选题If the towing bridle legs are not of equal length().Aexcessive strain is placed on the shorter legBthe shorter leg may failCthe longer leg is slackDAll of the above
单选题A chain bridle is used when towing astern because it().Ais easy to connectBprovides an effective catenary and absorbs shock due to its weightCmakes rigging a swivel unnecessaryDprevents the tow from yawing by the drag of the chains in a seaway
单选题The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to().Aone-half the SWL of the main towing hawserBthree-fourths the SWL of the main towing hawserCthat of the main towing hawserDtwice that of the main towing hawser
单选题When connecting the tow bridle to a tug, the end of the bridle is passed with a().Aheaving lineBshot lineChigh lineDmessenger line
单选题In towing,heaving lines are used for().Apassing a tow bridle to the tugBpassing a messenger lineCheaving in the tow bridleDservice lines with rocket line throwers
单选题A tow bridle is attached to the main tow hawser at the().Abight ringBtow hookCfishplateDswivel
单选题What is NOT suitable for use in making up the towing rig for a heavy,long ocean tow?()AChainBRingCSolid thimbleDA fishplate
单选题A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain().Ais more flexible and has the ability to absorb shock because of its weightBis less subject to wear and damage from abrasionCrequires little maintenanceDAll of the above
单选题A tow astern is veering from side to side on its towline. The best way of controlling the action is to().Atrim the tow by the bowBtrim the tow by the sternClist the tow to windwardDadjust the length of the towing bridle
单选题To reduce stress on the towing hawser when towing astern (ocean tow),the hawser should be ().Asecured to the aftermost fitting on the towing vesselBjust touching the waterCunderwaterDas short as possible
单选题As seen from the tow,what should connect the leading ends of both towing bridle legs to the main towing hawser?()AA cable clampBA fishplate,flounder,or towing plateCA pad eyeDThe towing bitts